Chandler company creates circuits for medical applications

A Chandler company is doing leading-edge work in designing integrated circuits for medical treatment.

Fast-growing Cactus Semiconductor is working with other high-tech businesses to create devices implantable in the human body.

"We're working on devices now in trials that are being used to treat things like sleep apnea, or (devices) delivering microscopic amounts of drugs at precise intervals to treat pain or to treat some kind of disease," said James McDonald, president and co-founder of Cactus Semiconductor.